| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `crates/hir-ty/src/next_solver/infer/opaque_types/mod.rs`."><title>mod.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../../../static.files/rustdoc-e56847b5.css"><meta name="rustdoc-vars" data-root-path="../../../../../" data-static-root-path="../../../../../static.files/" data-current-crate="hir_ty" data-themes="" data-resource-suffix="" data-rustdoc-version="1.91.1 (ed61e7d7e 2025-11-07)" data-channel="1.91.1" data-search-js="search-e256b49e.js" data-stringdex-js="stringdex-c3e638e9.js" data-settings-js="settings-c38705f0.js" ><script src="../../../../../static.files/storage-e2aeef58.js"></script><script defer src="../../../../../static.files/src-script-813739b1.js"></script><script defer src="../../../../../src-files.js"></script><script defer src="../../../../../static.files/main-6dc2a7f3.js"></script><noscript><link rel="stylesheet" href="../../../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">hir_ty/next_solver/infer/opaque_types/</div>mod.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-2"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="doccomment">//! Things related to the infer context of the next-trait-solver. |
| <a href=#2 id=2 data-nosnippet>2</a> |
| <a href=#3 id=3 data-nosnippet>3</a></span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod </span>table; |
| <a href=#4 id=4 data-nosnippet>4</a> |
| <a href=#5 id=5 data-nosnippet>5</a><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use </span>table::{OpaqueTypeStorage, OpaqueTypeTable}; |
| <a href=#6 id=6 data-nosnippet>6</a> |
| <a href=#7 id=7 data-nosnippet>7</a><span class="kw">use </span>macros::{TypeFoldable, TypeVisitable}; |
| <a href=#8 id=8 data-nosnippet>8</a> |
| <a href=#9 id=9 data-nosnippet>9</a><span class="kw">use </span><span class="kw">crate</span>::next_solver::{OpaqueTypeKey, Ty, infer::InferCtxt}; |
| <a href=#10 id=10 data-nosnippet>10</a> |
| <a href=#11 id=11 data-nosnippet>11</a><span class="attr">#[derive(Copy, Clone, Debug, TypeVisitable, TypeFoldable)] |
| <a href=#12 id=12 data-nosnippet>12</a></span><span class="kw">pub struct </span>OpaqueHiddenType<<span class="lifetime">'db</span>> { |
| <a href=#13 id=13 data-nosnippet>13</a> <span class="kw">pub </span>ty: Ty<<span class="lifetime">'db</span>>, |
| <a href=#14 id=14 data-nosnippet>14</a>} |
| <a href=#15 id=15 data-nosnippet>15</a> |
| <a href=#16 id=16 data-nosnippet>16</a><span class="kw">impl</span><<span class="lifetime">'db</span>> InferCtxt<<span class="lifetime">'db</span>> { |
| <a href=#17 id=17 data-nosnippet>17</a> <span class="doccomment">/// Insert a hidden type into the opaque type storage, making sure |
| <a href=#18 id=18 data-nosnippet>18</a> /// it hasn't previously been defined. This does not emit any |
| <a href=#19 id=19 data-nosnippet>19</a> /// constraints and it's the responsibility of the caller to make |
| <a href=#20 id=20 data-nosnippet>20</a> /// sure that the item bounds of the opaque are checked. |
| <a href=#21 id=21 data-nosnippet>21</a> </span><span class="kw">pub fn </span>register_hidden_type_in_storage( |
| <a href=#22 id=22 data-nosnippet>22</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#23 id=23 data-nosnippet>23</a> opaque_type_key: OpaqueTypeKey<<span class="lifetime">'db</span>>, |
| <a href=#24 id=24 data-nosnippet>24</a> hidden_ty: OpaqueHiddenType<<span class="lifetime">'db</span>>, |
| <a href=#25 id=25 data-nosnippet>25</a> ) -> <span class="prelude-ty">Option</span><Ty<<span class="lifetime">'db</span>>> { |
| <a href=#26 id=26 data-nosnippet>26</a> <span class="self">self</span>.inner.borrow_mut().opaque_types().register(opaque_type_key, hidden_ty) |
| <a href=#27 id=27 data-nosnippet>27</a> } |
| <a href=#28 id=28 data-nosnippet>28</a>}</code></pre></div></section></main></body></html> |
